Now
click on Create project once login click
on the Services link
from the left-hand menu.

Once open Services
tab check for Google
Maps API v3 and click on “off” to activate that service in the
next screen select conditions and click “Accept” button.

Now Click
on API Access
link from the left-hand menu. Once if it opens Your API key is available from
the API Access
page, in the Simple
API Access section. In that Maps API applications click on Create new Browser key button >>
in next window give url of your application and click Create

Once
we got the key Simple API Access section will show data like as shown below

This
way we can generate Google MAP API key to use this key to integrate in
websites.